Dimyaria

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Dimya \Dim"y*a\, Dimyaria \Dim`y*a"ri*a\, n. pl. [NL., fr. Gr. ?
     = ? + ? to close.] (Zool.)
     An order of lamellibranchiate mollusks having an anterior and
     posterior adductor muscle, as the common clam. See {Bivalve}.
     [1913 Webster]